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Nickel for Scale is a Processing
application that can be used to automatically resize 3D models of
physical objects.

Nickel for Scale resizes objects using computer vision by finding a
nickel (something of known size) in a scene, and then letting the user
measure something else in that scene. Nickel for Scale has been used to
successfully resize 3D models of rings to an individual's finger and
then print these resized models on a MakerBot
Cupcake CNC.

Nickel for Scale was developed as a small step towards exploring the new
kinds of customization possible with modern prototyping tools. This
movement has interesting implications for users who are currently stuck
with one-size-fits-many products and assistive technologies. The
customization offered by Nickel for Scale offers new opportunities for
individuals with changing needs such as children, older adults, and
individuals with motor impairments.

About the Team

Amy Hurst is an assistant professor at
UMBC (University of Maryland, Baltimore
County) in the Information Systems Department. Her research focuses on
empowering technology. Among many things, she is interested in
investigating how existing DIY (Do-it yourself) culture and tools can be
applied to Assistive Technology, and what opportunities there are to
change how AT is designed, manufactured, tested, and used.